Answer:
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
I am a rock group that has 4 members, all of whom are dead, one of which was assassinated. What am I?
I sleep when you are awake, I am awake when you fall asleep. I can fly but no feathers to aid my flight. What am I?
When you buy me I am costly, but the only use I have is hanging only. What am I?
I go around a yard but does not move.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.